shrub

White Tree Lupine

Lupinus arboreus 'Alba'

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White Tree Lupine (Lupinus arboreus 'Alba') at Bayport Flower Houses

White Tree Lupine flowers

White Tree Lupine flowers

(Photo courtesy of NetPS Plant Finder)

Height:  6 feet

Spread:  5 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  8b

Other Names:  Bush Lupine, Coastal Bush Lupine

Description:

A vigorous shrub variety producing spikes of eye catching white flowers; a tremendous visual impact massed in the garden or border plantings

Ornamental Features

White Tree Lupine features bold spikes of white pea-like flowers rising above the foliage from late spring to early summer. The flowers are excellent for cutting. It has emerald green evergreen foliage. The narrow palmate leaves remain emerald green throughout the winter.

Landscape Attributes

White Tree Lupine is a multi-stemmed evergreen shrub with an upright spreading habit of growth. Its relatively fine texture sets it apart from other landscape plants with less refined foliage.

This shrub will require occasional maintenance and upkeep, and should only be pruned after flowering to avoid removing any of the current season's flowers. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Self-Seeding

White Tree Lupine is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use

Planting & Growing

White Tree Lupine will grow to be about 6 feet tall at maturity, with a spread of 5 feet. It has a low canopy, and is suitable for planting under power lines. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 20 years.

This shrub does best in full sun to partial shade. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is not particular as to soil pH, but grows best in clay soils. It is somewhat tolerant of urban pollution. This is a selection of a native North American species.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Garden 
Applications
Flowers 
Ornamental Features